| Schwechat to Obernburg am Main | 352.58 mi (567.42 km) |
| Schwechat to Obernkirchen | 432.29 mi (695.71 km) |
| Schwechat to Oberschleissheim | 226.31 mi (364.22 km) |
| Schwechat to Oberstdorf | 292.18 mi (470.21 km) |
| Schwechat to Obertraubling | 205.23 mi (330.28 km) |
| Schwechat to Obertshausen | 370.33 mi (595.99 km) |
| Schwechat to Oberursel | 384.09 mi (618.13 km) |
| Schwechat to Ochsenfurt | 309.23 mi (497.66 km) |
| Schwechat to Ochsenhausen | 301.24 mi (484.80 km) |
| Schwechat to Ochtrup | 497.20 mi (800.17 km) |
| Schwechat to Odenthal | 464.07 mi (746.85 km) |
| Schwechat to Oelde | 448.98 mi (722.56 km) |
| Schwechat to Oelsnitz | 249.92 mi (402.21 km) |
| Schwechat to Oer-Erkenschwick | 476.18 mi (766.33 km) |
| Schwechat to Oerlinghausen | 435.46 mi (700.80 km) |
